B1200 Climate control push button circuit failure
B1201 Fuel sender circuit failure
B1202 Fuel sender circuit
B1203 Fuel sender circuit
B1204 Fuel sender circuit
B1205 EIC (Electronic Instrument Cluster) switch-1 assembly circuit failure
B1206 EIC switch-1 assembly circuit open
B1207 EIC switch-1 assembly circuit short to battery
B1208 EIC switch-1 assembly circuit short to ground
B1209 EIC switch-2 assembly circuit failure
B1210 EIC switch-2 assembly circuit
B1211 EIC switch-2 assembly circuit
B1212 EIC switch-2 assembly circuit
B1213 Anti-theft number of programmed keys is below minimum
B1214 Running board lamp circuit failure
B1215 Running board lamp circuit short to battery
B1216 Emergency and road side assistance switch short circuit to ground
B1217 Horn relay coil circuit failure
B1218 Horn relay coil circuit short to vbatt
B1219 Fuel tank pressure sensor circuit failure
B1220 Fuel tank pressure sensor circuit open
B1222 Fuel temperature sensor #1 circuit failure
B1223 Fuel temperature sensor #1 circuit open
B1224 Fuel temperature sensor #1 circuit short to battery
B1225 Fuel temperature sensor #1 circuit short to ground
B1226 Fuel temperature sensor #2 circuit failure
B1227 Fuel temperature sensor #2 circuit open
B1228 Fuel temperature sensor #2 circuit short to battery
B1229 Fuel temperature sensor #2 circuit short to ground
B1231 Longitudinal acceleration threshold exceeded
B1232 DO NOT USE???
B1233 Glass break sensor failure
B1234 Mirror switch invalid code
B1235 Window feedback failure
B1236 Window feedback loss of signal
B1237 Window feedback out of range
B1238 Over temperature fault
B1239 Air flow blend door driver circuit failure
B1240 Wiper washer rear pump relay circuit failure
B1241 Wiper washer rear pump relay circuit short to battery
B1242 Air flow recirculation door driver circuit failure
B1243 Express window down switch circuit short to battery
B1244 Wiper rear motor run relay circuit failure
B1245 Wiper rear motor run relay circuit short to battery
B1246 Dim panel potentiometer switch circuit failure
B1247 Panel dim switch circuit open
B1248 Passenger’s seatback autoglide rearward switch circuit short to ground
B1249 Blend door failure
B1250 Air temperature internal sensor failure
B1251 Air temperature internal sensor open
B1252 Air temperature internal sensor short to battery
B1253 Air temperature internal sensor short to ground
B1254 Air temperature external sensor failure
B1255 Air temperature external sensor open
B1256 Air temperature external sensor short to battery
B1257 Air temperature external sensor short to ground
B1258 Solar radiation sensor circuit failure
B1259 Solar radiation sensor circuit open
B1260 Solar radiation sensor circuit short to battery
B1261 Solar radiation sensor circuit short to ground
B1262 Servo motor defrost circuit failure
B1263 Servo motor vent circuit failure
B1264 Servo motor foot circuit failure
B1265 Servo motor coolair bypass circuit failure
B1266 Servo motor air intake left circuit failure
B1267 Servo motor air intake right circuit failure
B1268 Servo motor potentiometer defrost circuit failure
B1269 Servo motor potentiometer defrost circuit open
B1270 Servo motor potentiometer defrost circuit short to battery
B1271 Servo motor potentiometer defrost circuit short to ground
B1272 Servo motor potentiometer vent circuit failure
B1273 Servo motor potentiometer vent circuit open
B1274 Servo motor potentiometer vent circuit short to battery
B1275 Servo motor potentiometer vent circuit short to ground
B1276 Servo motor potentiometer foot circuit failure
B1277 Servo motor potentiometer foot circuit open
B1278 Servo motor potentiometer foot circuit short to battery
B1279 Servo motor potentiometer foot circuit short to ground
B1280 Servo motor potentiometer coolair circuit failure
B1281 Servo motor potentiometer coolair circuit open
B1282 Servo motor potentiometer coolair circuit short to battery
B1283 Servo motor potentiometer coolair circuit short to ground
B1284 Servo motor potentiometer airintake left circuit failure
B1285 Servo motor potentiometer airintake left circuit open
B1286 Servo motor potentiometer airintake left circuit short to battery
B1287 Servo motor potentiometer airintake left circuit short to ground
B1288 Servo motor potentiometer airintake right circuit failure
B1289 Servo motor potentiometer airintake right circuit open
B1290 Servo motor potentiometer airintake right circuit short to battery
B1291 Servo motor potentiometer airintake right circuit short to ground
B1292 Battery power relay circuit failure
B1293 Battery power relay circuit open
B1294 Battery power relay circuit short to battery
B1295 Battery power relay circuit short to ground
B1296 Power supply sensor circuit failure
B1297 Power supply sensor circuit open
B1298 Power supply sensor circuit short to battery
B1299 Power supply sensor circuit short to ground

B1200 Climate control push button circuit failure
B1201 Fuel sender circuit failure
B1202 Fuel sender circuit
B1203 Fuel sender circuit
B1204 Fuel sender circuit
B1205 EIC (Electronic Instrument Cluster) switch-1 assembly circuit failure
B1206 EIC switch-1 assembly circuit open
B1207 EIC switch-1 assembly circuit short to battery
B1208 EIC switch-1 assembly circuit short to ground
B1209 EIC switch-2 assembly circuit failure
B1210 EIC switch-2 assembly circuit
B1211 EIC switch-2 assembly circuit
B1212 EIC switch-2 assembly circuit
B1213 Anti-theft number of programmed keys is below minimum
B1214 Running board lamp circuit failure
B1215 Running board lamp circuit short to battery
B1216 Emergency and road side assistance switch short circuit to ground
B1217 Horn relay coil circuit failure
B1218 Horn relay coil circuit short to vbatt
B1219 Fuel tank pressure sensor circuit failure
B1220 Fuel tank pressure sensor circuit open
B1222 Fuel temperature sensor #1 circuit failure
B1223 Fuel temperature sensor #1 circuit open
B1224 Fuel temperature sensor #1 circuit short to battery
B1225 Fuel temperature sensor #1 circuit short to ground
B1226 Fuel temperature sensor #2 circuit failure
B1227 Fuel temperature sensor #2 circuit open
B1228 Fuel temperature sensor #2 circuit short to battery
B1229 Fuel temperature sensor #2 circuit short to ground
B1231 Longitudinal acceleration threshold exceeded
B1232 DO NOT USE???
B1233 Glass break sensor failure
B1234 Mirror switch invalid code
B1235 Window feedback failure
B1236 Window feedback loss of signal
B1237 Window feedback out of range
B1238 Over temperature fault
B1239 Air flow blend door driver circuit failure
B1240 Wiper washer rear pump relay circuit failure
B1241 Wiper washer rear pump relay circuit short to battery
B1242 Air flow recirculation door driver circuit failure
B1243 Express window down switch circuit short to battery
B1244 Wiper rear motor run relay circuit failure
B1245 Wiper rear motor run relay circuit short to battery
B1246 Dim panel potentiometer switch circuit failure
B1247 Panel dim switch circuit open
B1248 Passenger’s seatback autoglide rearward switch circuit short to ground
B1249 Blend door failure
B1250 Air temperature internal sensor failure
B1251 Air temperature internal sensor open
B1252 Air temperature internal sensor short to battery
B1253 Air temperature internal sensor short to ground
B1254 Air temperature external sensor failure
B1255 Air temperature external sensor open
B1256 Air temperature external sensor short to battery
B1257 Air temperature external sensor short to ground
B1258 Solar radiation sensor circuit failure
B1259 Solar radiation sensor circuit open
B1260 Solar radiation sensor circuit short to battery
B1261 Solar radiation sensor circuit short to ground
B1262 Servo motor defrost circuit failure
B1263 Servo motor vent circuit failure
B1264 Servo motor foot circuit failure
B1265 Servo motor coolair bypass circuit failure
B1266 Servo motor air intake left circuit failure
B1267 Servo motor air intake right circuit failure
B1268 Servo motor potentiometer defrost circuit failure
B1269 Servo motor potentiometer defrost circuit open
B1270 Servo motor potentiometer defrost circuit short to battery
B1271 Servo motor potentiometer defrost circuit short to ground
B1272 Servo motor potentiometer vent circuit failure
B1273 Servo motor potentiometer vent circuit open
B1274 Servo motor potentiometer vent circuit short to battery
B1275 Servo motor potentiometer vent circuit short to ground
B1276 Servo motor potentiometer foot circuit failure
B1277 Servo motor potentiometer foot circuit open
B1278 Servo motor potentiometer foot circuit short to battery
B1279 Servo motor potentiometer foot circuit short to ground
B1280 Servo motor potentiometer coolair circuit failure
B1281 Servo motor potentiometer coolair circuit open
B1282 Servo motor potentiometer coolair circuit short to battery
B1283 Servo motor potentiometer coolair circuit short to ground
B1284 Servo motor potentiometer airintake left circuit failure
B1285 Servo motor potentiometer airintake left circuit open
B1286 Servo motor potentiometer airintake left circuit short to battery
B1287 Servo motor potentiometer airintake left circuit short to ground
B1288 Servo motor potentiometer airintake right circuit failure
B1289 Servo motor potentiometer airintake right circuit open
B1290 Servo motor potentiometer airintake right circuit short to battery
B1291 Servo motor potentiometer airintake right circuit short to ground
B1292 Battery power relay circuit failure
B1293 Battery power relay circuit open
B1294 Battery power relay circuit short to battery
B1295 Battery power relay circuit short to ground
B1296 Power supply sensor circuit failure
B1297 Power supply sensor circuit open
B1298 Power supply sensor circuit short to battery
B1299 Power supply sensor circuit short to ground

Misfire Detection Monitor – Cylinder 12 Misfire

Description:

How does a P0312 code trigger the check engine light? This code will trigger the check engine light as follows:

The misfire detection monitor, a software strategy built into the computer, is designed to detect an engine misfire. The computer can also normally identify the specific cylinder in which the misfire has occurred. A misfire is nothing more than a lack of combustion, which can be caused by poor fuel quality or metering, low compression, lack of spark or unmetered air entering the engine. There are other possible, less obvious causes as well, such as uncommanded Exhaust Gas Recirculatin (EGR), flow. When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. In this case we are left with a P0312 in the computer memory.

Possible Causes:

Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

Diagnostic Help:

To diagnose a P0312 trouble code we begin by checking for proper fuel and ignition system operation, and then follow up with the less likely causes listed above, such as EGR and EVAP system problems. New style coil on plug applications have a high failure rate, and can be concluded faulty by swapping to another cylinder and checking to see if the misfire moves to that cylinder. This is a quick check if a capable scan tool or oscilloscope is not available. Always make sure the basic maintenance is done first and that things such as the fuel filter, air filter, spark plugs and spark plug wires are in good working order, as these are all possible candidates for a problem. If necessary, check for wiring and component concerns. See our article “Automotive Circuit Testing 101”, if you need more assistance with this. If concern is determined to be intermittent, check out our article on intermittent diagnosis and wiggle test connectors and wiring, attempting to duplicate concern. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instruction.

Misfire Detection Monitor – Cylinder 11 Misfire

Description:

How does a P0311 code trigger the check engine light? This code will trigger the check engine light as follows:

The misfire detection monitor, a software strategy built into the computer, is designed to detect an engine misfire. The computer can also normally identify the specific cylinder in which the misfire has occurred. A misfire is nothing more than a lack of combustion, which can be caused by poor fuel quality or metering, low compression, lack of spark or unmetered air entering the engine. There are other possible, less obvious causes as well, such as uncommanded Exhaust Gas Recirculatin (EGR), flow. When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. In this case we are left with a P0311 in the computer memory.

Possible Causes:

Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

Diagnostic Help:

To diagnose a P0311 trouble code we begin by checking for proper fuel and ignition system operation, and then follow up with the less likely causes listed above, such as EGR and EVAP system problems. New style coil on plug applications have a high failure rate, and can be concluded faulty by swapping to another cylinder and checking to see if the misfire moves to that cylinder. This is a quick check if a capable scan tool or oscilloscope is not available. Always make sure the basic maintenance is done first and that things such as the fuel filter, air filter, spark plugs and spark plug wires are in good working order, as these are all possible candidates for a problem. If necessary, check for wiring and component concerns. See our article “Automotive Circuit Testing 101”, if you need more assistance with this. If concern is determined to be intermittent, check out our article on intermittent diagnosis and wiggle test connectors and wiring, attempting to duplicate concern. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instruction.

Misfire Detection Monitor – Cylinder 10 Misfire

Description:

How does a P0310 code trigger the check engine light? This code will trigger the check engine light as follows:

The misfire detection monitor, a software strategy built into the computer, is designed to detect an engine misfire. The computer can also normally identify the specific cylinder in which the misfire has occurred. A misfire is nothing more than a lack of combustion, which can be caused by poor fuel quality or metering, low compression, lack of spark or unmetered air entering the engine. There are other possible, less obvious causes as well, such as uncommanded Exhaust Gas Recirculatin (EGR), flow. When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. In this case we are left with a P0310 in the computer memory.

Possible Causes:

Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

Diagnostic Help:

To diagnose a P0310 trouble code we begin by checking for proper fuel and ignition system operation, and then follow up with the less likely causes listed above, such as EGR and EVAP system problems. New style coil on plug applications have a high failure rate, and can be concluded faulty by swapping to another cylinder and checking to see if the misfire moves to that cylinder. This is a quick check if a capable scan tool or oscilloscope is not available. Always make sure the basic maintenance is done first and that things such as the fuel filter, air filter, spark plugs and spark plug wires are in good working order, as these are all possible candidates for a problem. If necessary, check for wiring and component concerns. See our article “Automotive Circuit Testing 101”, if you need more assistance with this. If concern is determined to be intermittent, check out our article on intermittent diagnosis and wiggle test connectors and wiring, attempting to duplicate concern. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instruction.

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